Skip to content

Isolated maternal hypothyroxemia in the first trimester and miscarriage -- Prospective cohort study

Isolated maternal hypothyroxemia in the first trimester and miscarriage -- Prospective cohort study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300071051
Enrollment
Unknown
Registered
2023-05-02
Start date
2023-05-02
Completion date
Unknown
Last updated
2023-06-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hypothyroxemia in the first trimester

Interventions

Exposed group:None
Control group:None

Sponsors

Shanghai First Maternity and Infant Hospital, School of Tongji University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 42 Years

Inclusion criteria

Inclusion criteria: 4 to 14 weeks gestation;18 years of age =42 years of age; The exposure group met the diagnostic criteria for hypothyroxinemia: normal TSH and FT4 was lower than the 5th percentile. The control group was pregnant women with normal thyroid function. No personal history of thyroid-related diseases: hyperthyroidism, hypothyroidism, Subclinical hypothyroidism, partial or total thyroidectomy, after iodine-131 treatment; There are no diseases that can lead to spontaneous abortion, such as balanced chromosomal translocation in couples, uterine malformations, uncontrolled hypertension, diabetes, autoimmune diseases (such as systemic lupus erythematosus, connective tissue disease, antiphospholipid syndrome, etc.).

Exclusion criteria

Exclusion criteria: Without no plan to give birth; Patients who could not be followed up; Ectopic pregnancy; Pregnant women who develop other thyroid diseases requiring medical intervention.

Design outcomes

Primary

MeasureTime frame
Fetal survival rate at 28 weeks of gestation;

Secondary

MeasureTime frame
Fetal survival rate at 12 weeks of gestation;

Countries

China

Contacts

Public ContactLiguohua

Shanghai First Maternity and Infant Hospital

yuhuashi1979@163.com+86 13564269395

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026